20515167184

素因数分解:

$2^4\times {\mathrm{683}}^1\times {\mathrm{1877303}}^1$

素因数の和:1877994

約数の個数: 20

約数和(自身を含む): 39806354016

約数和(自身を除く): 19291186832

約数列:

[1, 2, 4, 8, 16, 683, 1366, 2732, 5464, 10928, 1877303, 3754606, 7509212, 15018424, 30036848, 1282197949, 2564395898, 5128791796, 10257583592, 20515167184]

約数ペア:

[(1, 20515167184), (2, 10257583592), (4, 5128791796), (8, 2564395898), (16, 1282197949), (683, 30036848), (1366, 15018424), (2732, 7509212), (5464, 3754606), (10928, 1877303)]